Historical Seismograms - Evidence from the AD 2000 Izu Islands ...

128Deli Cheng, Yushou Xie, and Zhifeng DingCN, N1000100104.0 5.0 6.0 7.0 8.0 MFigure 7. Number of earthquakes vs. magnitude curves of 1900-1948 Chinese earthquakes:(a) Cumulative number of earthquakes with magnitude 2 M; (b) Number ofearthquakes with magnitude M.REFERENCESAbe, K. (1979). Instrumental magnitudes of Japanese earthquakes 1901-1925, J. Seism.SOC. Japan, Ser. 11, 32, 341-353.Abe, K. (1981). Magnitude of large shallow earthquakes from 1904 to 1980, Phys. EarthPlanet. Interiors, 27, 72-92.Abe, K. and H. Kanamori (1979). Temporal variation of the activity of intermediate anddeep focus earthquakes, J. Geophys. Res., 84, 3589-3595.Abe, K. and H. Kanamori (1980). Magnitudes of great shallow earthquakes from 1953 to1977, Tectonophysics, 62, 191-203.Abe, K. and S. Noguchi (1983a). Determination of magnitude for large shallow earthquakes,1898-1917, Phys. Earth Planet. Interiors, 32, 45-59.Abe, K. and S. Noguchi (1983b). Revision of magnitudes of large shallow earthquakes,1897-1912, Phys. Earth Planet. Interiors, 33, 1-11.BIth, M. (1977). Teleseismic magnitude relations, Ann. Geofis., 30, 299-327.BIth, M. (1981). Earthquake magnitude - recent research and current trends, Earth-Science Rev., 17, 315-398.Central Meteorological Observatory Japan (1952). Catalogue of major earthquakes whichoccurred in the vicinity of Japan (1885-1950), Suppl. Seism. Bull. for the year 1950,Tokyo, Japan.Central Seismological Group (1971). Catalogue of Chinese Earthquakes, Science Press,Beijing, (in Chinese).